Magnetic Analysis of Skew Effect in Surface-Mounted Permanent Magnet Machines With Skewed Slots

被引：5
作者：
Zhuang, Haijun [1 ]
Zuo, Shuguang [1 ]
Ma, Zhixun [2 ]
Yu, Qiang [3 ]
Wu, Zhipeng [1 ]
Liu, Chang [1 ]
机构：
[1] Tongji Univ, Sch Automot Studies, Shanghai 201804, Peoples R China
[2] Tongji Univ, Natl Maglev Transportat Engn Res & Dev Ctr, Shanghai 201804, Peoples R China
[3] China Univ Min & Technol, Sch Informat & Control Engn, Xuzhou 221116, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2022年 / 58卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Analytical model; cogging torque; skew effect; surface-mounted permanent magnet (SPM) machine; FIELD DISTRIBUTION; COGGING TORQUE; SIMULATION; DESIGN; MOTORS;
D O I：
10.1109/TMAG.2022.3208696
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Surface-mounted permanent magnet (SPM) machines with skewed slots as vehicle drives are widely used. Due to skewed slots, electromagnetic characteristics are modulated by the skew effect. To analyze the skew effect, Maxwell's equations-based 3-D analytical model is proposed. Based on differences in 3-D air-gap flux density distribution, the mechanism by which the skew effect modulates cogging torque, flux linkage, and back electromotive force (EMF) is investigated. The effectiveness of the theory about the skew effect is verified by both the finite element method (FEM) and the experimental result.
引用
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页数：12
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